Lake Pierce Nw
Polk County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Pierce Nw. Here is what has been measured.
- Public access
- Limited data
Lake Pierce Nw in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 45 µg/L.
Lake Pierce Nw is a lake in Polk County, Florida. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-07-10. Methodology: how these readings are compared.
What Lake Pierce Nw is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Pierce Nw is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Pierce Nw
These are the measurements Florida DEP publishes for Lake Pierce Nw, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.6 ft of visibility. Phosphorus 45 µg/L. TSI 65.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 45µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 65 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Pierce Nw
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Lake Pierce Public Boat RampPublic
- Cherry Pocket Fish CampSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Lake Pierce Nw
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Fishing Lake Pierce Nw
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Stable+0.39 µg/L/yr6 years
Nearby Lakes in Polk County
Frequently asked questions about Lake Pierce Nw
Where is Lake Pierce Nw?
- Lake Pierce Nw is a lake in Polk County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Pierce Nw?
- Lake Pierce Nw in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 45 µg/L.
Is Lake Pierce Nw safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Lake Pierce Nw?
- Lake Pierce Nw has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Pierce Public Boat Ramp, Cherry Pocket Fish Camp. Public access is listed as yes.
Can I fish at Lake Pierce Nw?
- Lake Pierce Nw has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Pierce Nw across LakeQuality
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Where this data comes from
8 measurements from 1 monitoring station, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples8 samples · 2022–2025
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory